A compound Boolean expression created with the operator is true if either of its subexpressions is true.

Description: write function lastfirst() that takes one argument—a list of strings of the format "lastname, firstname" —and returns a list consisting of two lists: (a) a list of all the last names (b) a list of all the first names

Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?

How can smart devices benefit businesses, organizations, and social communities in the global marketplace?